AWG-series window guards were specifically engineered for and Approved by the city of New York, department of health. Window guards are adjustable in width to fit most window openings and are constructed of solid and tubular steel with horizontal bars spaced 4 in. apart. All units include tamper proof installation screws and window L-stops for enhanced safety. Three bar units are available in white, non-toxic, rust resistant powder coat finish. Width adjusts from 22-3/4 in. to 36-1/2 in. fully extended.